1 /* Copyright (C) 2008 The Android Open Source Project 2 ** 3 ** This software is licensed under the terms of the GNU General Public 4 ** License version 2, as published by the Free Software Foundation, and 5 ** may be copied, distributed, and modified under those terms. 6 ** 7 ** This program is distributed in the hope that it will be useful, 8 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 9 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10 ** GNU General Public License for more details. 11 */ 12 #ifndef _QEMU_TCPDUMP_H 13 #define _QEMU_TCPDUMP_H 14 15 #include <stdint.h> 16 17 /* global flag, set to 1 when packet captupe is active */ 18 extern int qemu_tcpdump_active; 19 20 /* start a new packet capture, close the current one if any. 21 * returns 0 on success, and -1 on failure (see errno then) */ 22 extern int qemu_tcpdump_start( const char* filepath ); 23 24 /* stop the current packet capture, if any */ 25 extern void qemu_tcpdump_stop( void ); 26 27 /* send an ethernet packet to the packet capture file, if any */ 28 extern void qemu_tcpdump_packet( const void* base, int len ); 29 30 /* returns interesting stats, like the number of packets captures, 31 * and the total size of these packets. Note: the file will be larger 32 * due to global and packet headers. 33 */ 34 extern void qemu_tcpdump_stats( uint64_t *pcount, uint64_t* psize ); 35 36 #endif /* _QEMU_TCPDUMP_H */ 37